421969274496 has 1344 divisors, whose sum is σ = 1672557566400. Its totient is φ = 103464345600.

The previous prime is 421969274479. The next prime is 421969274501. The reversal of 421969274496 is 694472969124.

421969274496 is a `hidden beast` number, since 4 + 2 + 19 + 69 + 2 + 74 + 496 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 1501669876 + ... + 1501670156.

It is an arithmetic number, because the mean of its divisors is an integer number (1244462475).

Almost surely, 2^421969274496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421969274496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (836278783200).

421969274496 is an abundant number, since it is smaller than the sum of its proper divisors (1250588291904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421969274496 is a wasteful number, since it uses less digits than its factorization.

421969274496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 323 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 63.

The spelling of 421969274496 in words is "four hundred twenty-one billion, nine hundred sixty-nine million, two hundred seventy-four thousand, four hundred ninety-six".